CN2759762Y - Direct heating unit for processing material pouring three-way element by plastic extrusion - Google Patents
Direct heating unit for processing material pouring three-way element by plastic extrusion Download PDFInfo
- Publication number
- CN2759762Y CN2759762Y CN 200420074772 CN200420074772U CN2759762Y CN 2759762 Y CN2759762 Y CN 2759762Y CN 200420074772 CN200420074772 CN 200420074772 CN 200420074772 U CN200420074772 U CN 200420074772U CN 2759762 Y CN2759762 Y CN 2759762Y
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- CN
- China
- Prior art keywords
- material feeding
- insulation
- utility
- model
- tee
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a direct heating device for a tee for extruding a plastic and processing a filling. A material filling tee (4) is connected with a material barrel of an extruder, a heat preservation insulation material layer (6) and an induction coil (7) connected with a frequency changer SB are wrapped and wound on a barrel body of the material filling tee (4). Direct heating can make the conversion efficiency of electricity and heat energy reach more than 90 percent, the utility model is added with the heat preservation insulation material layer and the peripheral temperature of a heating device is reduced and only is about 80 DEG. Compared with indirect heating with a resistance, in the utility model, the preheating time of the barrel body of the material filling tee is shortened, energy saving is obvious and energy saving rate can reach more than 40 percent. The peripheral temperature of the heating device is lowered to make the temperature of a production workshop lowered and worker's production environment obviously improved.
Description
Technical field
The utility model belongs to a kind of plastics and extrudes processing unit (plant), relates generally to a kind of direct heater that plastics are extruded processing material feeding threeway that is used for.
Background technology
In existing plastic working method, through the processing final molding is silk, sheet, pipe, or the product of shapes such as rod, its production and processing device unit front end is formed by extruder, Figure 1 shows that existing general plastic extruder, it comprises control unit part 1, hopper 2, barrel 3 and material feeding threeway 4 four parts composition.Its operation principle is that raw material is in hopper 2 enters the barrel cavity, heater outside barrel 3 is with the raw material heat fused, enter material feeding threeway 4 by the extrusion screw rod in the barrel, impurities in raw materials is removed in filtration through material feeding threeway 4, offer the raw material of the required molten state of back-end device, finally become products such as silk, sheet, pipe, rod according to the difference of back-end device.The weak point of above-mentioned existing extrusion device is that material feeding threeway part 4 required holding temperatures are to realize by conduction pattern by resistance wire heat block 5 heating that are arranged on material feeding threeway 4 peripheries.According to hot propagation formula, the temperature difference is big more, hot-fluid is big more, bigger in the heating of the resistance-type of material feeding threeway 4 peripheries and 4 temperature differences of material feeding threeway, its heat energy is bigger at the space volatile quantity, the peripheral temperature of calandria up to 600 ℃ about, cause the thermal efficiency low, it is long to start heat time heating time, and power consumption is high, is difficult to reduce production costs.
Summary of the invention
The purpose of this utility model provides a kind of thermal efficiency height, energy-saving effect significantly is used for the direct heater that plastics are extruded processing material feeding threeway.
The purpose of this utility model can be achieved through the following technical solutions: it is meant the material feeding threeway that is connected with the plastic extruder barrel, the induction coil that wraps up on material feeding threeway cylindrical shell, is wound with the insulation insulation material layer and is electrically connected with frequency converter SB.
Described insulation insulation material layer directly is wrapped on the cylindrical shell of material feeding threeway, and the induction coil that frequency converter SB is electrically connected is wrapped in outside the insulation insulation material layer.
Above-mentioned induction coil also can be arranged between material feeding threeway cylindrical shell and the insulation insulation material layer.
Principle of the present utility model is that power frequency supply is converted to AC power about single-phase 50KHZ through converter plant, flow to induction coil, produce magnetic field, make the interior electronics and the atom high velocity impact of cylindrical shell metal material of material feeding threeway produce the heat shock energy, adopt magnetic energy to carry out power conversion, material feeding threeway cylindrical shell is directly generated heat, and utilize and to be wrapped in the external adiabator layer of material feeding triple cylinder, prevent heat-energy losses threeway cylindrical shell insulation.
Direct Heating Characteristics of the present utility model can make electricity, heat energy conversion efficient reach more than 90%, is incubated the setting of insulation material layer in addition, and the peripheral temperature of heater reduces greatly, has only about 80 ℃.The utility model with compare with the resistance indirect, material feeding threeway cylindrical shell preheating time shortens, energy-conservation obviously, its power saving rate can reach more than 40%.The reduction of the peripheral temperature of heater can make the temperature of workshop be minimized, and workman's production environment is significantly improved.
Description of drawings
Fig. 1 is the prior art constructions schematic diagram.
Fig. 2 is a structural representation of the present utility model.
Among the figure: 1, control unit part, 2, hopper, 3, barrel, 4, the material feeding threeway, 5, the resistance wire heat block, 6, the insulation insulation material layer, 7, induction coil.
The specific embodiment
In conjunction with the accompanying drawings, specific embodiment of the utility model is described.
As shown in Figure 2, the plastics that are used for of the present utility model are extruded the direct heater of processing the material feeding threeway, it is meant the material feeding threeway 4 that plastic extruder barrel 3 connects, on the cylindrical shell of material feeding threeway 4, be enclosed with insulation insulating barrier 6, be wound with the induction coil 7 that is electrically connected with frequency converter SB outside insulation insulating barrier 6, frequency converter SB is connected with power supply by switch S A.
Claims (3)
1, a kind of plastics that are used for are extruded the direct heater of processing the material feeding threeway, the material feeding threeway (4) that finger is connected with extruder barrel is characterized in that: wrap up, be wound with the induction coil (7) that insulation insulation material layer (6) is connected with frequency converter (SB) on the cylindrical shell of described material feeding threeway (4).
2, the plastics that are used for according to claim 1 are extruded the direct heater of processing the material feeding threeway, it is characterized in that: described insulation insulation material layer (6) directly is wrapped on the cylindrical shell of material feeding threeway (4), and the induction coil (7) that is electrically connected with frequency converter (SB) is wrapped in outside the insulation insulation material layer (6).
3, the plastics that are used for according to claim 1 are extruded the direct heater of processing the material feeding threeway, it is characterized in that: induction coil (6) is arranged between material feeding threeway (4) cylindrical shell and the insulation insulation material layer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420074772 CN2759762Y (en) | 2004-09-30 | 2004-09-30 | Direct heating unit for processing material pouring three-way element by plastic extrusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420074772 CN2759762Y (en) | 2004-09-30 | 2004-09-30 | Direct heating unit for processing material pouring three-way element by plastic extrusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2759762Y true CN2759762Y (en) | 2006-02-22 |
Family
ID=36081963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420074772 Expired - Fee Related CN2759762Y (en) | 2004-09-30 | 2004-09-30 | Direct heating unit for processing material pouring three-way element by plastic extrusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2759762Y (en) |
-
2004
- 2004-09-30 CN CN 200420074772 patent/CN2759762Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |